1 /* gtktoggletoolbutton.c
3 * Copyright (C) 2002 Anders Carlsson <andersca@gnome.org>
4 * Copyright (C) 2002 James Henstridge <james@daa.com.au>
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the
18 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
23 #include "gtktoggletoolbutton.h"
24 #include "gtkcheckmenuitem.h"
26 #include "gtktogglebutton.h"
29 #include "gtkradiotoolbutton.h"
30 #include "gtktoggleaction.h"
31 #include "gtkactivatable.h"
32 #include "gtkprivate.h"
35 #define MENU_ID "gtk-toggle-tool-button-menu-id"
48 #define GTK_TOGGLE_TOOL_BUTTON_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_TOGGLE_TOOL_BUTTON, GtkToggleToolButtonPrivate))
50 struct _GtkToggleToolButtonPrivate
56 static void gtk_toggle_tool_button_set_property (GObject *object,
60 static void gtk_toggle_tool_button_get_property (GObject *object,
65 static gboolean gtk_toggle_tool_button_create_menu_proxy (GtkToolItem *button);
67 static void button_toggled (GtkWidget *widget,
68 GtkToggleToolButton *button);
69 static void menu_item_activated (GtkWidget *widget,
70 GtkToggleToolButton *button);
73 static void gtk_toggle_tool_button_activatable_interface_init (GtkActivatableIface *iface);
74 static void gtk_toggle_tool_button_activatable_update (GtkActivatable *activatable,
76 const gchar *property_name);
77 static void gtk_toggle_tool_button_activatable_reset (GtkActivatable *activatable,
80 static GtkActivatableIface *parent_activatable_iface;
81 static guint toggle_signals[LAST_SIGNAL] = { 0 };
83 G_DEFINE_TYPE_WITH_CODE (GtkToggleToolButton, gtk_toggle_tool_button, GTK_TYPE_TOOL_BUTTON,
84 G_IMPLEMENT_INTERFACE (GTK_TYPE_ACTIVATABLE,
85 gtk_toggle_tool_button_activatable_interface_init))
88 gtk_toggle_tool_button_class_init (GtkToggleToolButtonClass *klass)
90 GObjectClass *object_class;
91 GtkToolItemClass *toolitem_class;
92 GtkToolButtonClass *toolbutton_class;
94 object_class = (GObjectClass *)klass;
95 toolitem_class = (GtkToolItemClass *)klass;
96 toolbutton_class = (GtkToolButtonClass *)klass;
98 object_class->set_property = gtk_toggle_tool_button_set_property;
99 object_class->get_property = gtk_toggle_tool_button_get_property;
101 toolitem_class->create_menu_proxy = gtk_toggle_tool_button_create_menu_proxy;
102 toolbutton_class->button_type = GTK_TYPE_TOGGLE_BUTTON;
105 * GtkToggleToolButton:active:
107 * If the toggle tool button should be pressed in or not.
111 g_object_class_install_property (object_class,
113 g_param_spec_boolean ("active",
115 P_("If the toggle button should be pressed in or not"),
117 GTK_PARAM_READWRITE));
120 * GtkToggleToolButton::toggled:
121 * @toggle_tool_button: the object that emitted the signal
123 * Emitted whenever the toggle tool button changes state.
125 toggle_signals[TOGGLED] =
126 g_signal_new (I_("toggled"),
127 G_OBJECT_CLASS_TYPE (klass),
129 G_STRUCT_OFFSET (GtkToggleToolButtonClass, toggled),
131 g_cclosure_marshal_VOID__VOID,
134 g_type_class_add_private (object_class, sizeof (GtkToggleToolButtonPrivate));
138 gtk_toggle_tool_button_init (GtkToggleToolButton *button)
140 GtkToolButton *tool_button = GTK_TOOL_BUTTON (button);
141 GtkToggleButton *toggle_button = GTK_TOGGLE_BUTTON (_gtk_tool_button_get_button (tool_button));
143 button->priv = GTK_TOGGLE_TOOL_BUTTON_GET_PRIVATE (button);
145 /* If the real button is a radio button, it may have been
146 * active at the time it was created.
148 button->priv->active = gtk_toggle_button_get_active (toggle_button);
150 g_signal_connect_object (toggle_button,
151 "toggled", G_CALLBACK (button_toggled), button, 0);
155 gtk_toggle_tool_button_set_property (GObject *object,
160 GtkToggleToolButton *button = GTK_TOGGLE_TOOL_BUTTON (object);
165 gtk_toggle_tool_button_set_active (button,
166 g_value_get_boolean (value));
170 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
176 gtk_toggle_tool_button_get_property (GObject *object,
181 GtkToggleToolButton *button = GTK_TOGGLE_TOOL_BUTTON (object);
186 g_value_set_boolean (value, gtk_toggle_tool_button_get_active (button));
190 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
196 gtk_toggle_tool_button_create_menu_proxy (GtkToolItem *item)
198 GtkToolButton *tool_button = GTK_TOOL_BUTTON (item);
199 GtkToggleToolButton *toggle_tool_button = GTK_TOGGLE_TOOL_BUTTON (item);
200 GtkWidget *menu_item = NULL;
201 GtkStockItem stock_item;
202 gboolean use_mnemonic = TRUE;
205 GtkWidget *label_widget = gtk_tool_button_get_label_widget (tool_button);
206 const gchar *label_text = gtk_tool_button_get_label (tool_button);
207 const gchar *stock_id = gtk_tool_button_get_stock_id (tool_button);
209 if (GTK_IS_LABEL (label_widget))
211 label = gtk_label_get_label (GTK_LABEL (label_widget));
212 use_mnemonic = gtk_label_get_use_underline (GTK_LABEL (label_widget));
217 use_mnemonic = gtk_tool_button_get_use_underline (tool_button);
219 else if (stock_id && gtk_stock_lookup (stock_id, &stock_item))
221 label = stock_item.label;
229 menu_item = gtk_check_menu_item_new_with_mnemonic (label);
231 menu_item = gtk_check_menu_item_new_with_label (label);
233 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menu_item),
234 toggle_tool_button->priv->active);
236 if (GTK_IS_RADIO_TOOL_BUTTON (toggle_tool_button))
238 gtk_check_menu_item_set_draw_as_radio (GTK_CHECK_MENU_ITEM (menu_item),
242 g_signal_connect_closure_by_id (menu_item,
243 g_signal_lookup ("activate", G_OBJECT_TYPE (menu_item)), 0,
244 g_cclosure_new_object (G_CALLBACK (menu_item_activated),
245 G_OBJECT (toggle_tool_button)),
248 gtk_tool_item_set_proxy_menu_item (item, MENU_ID, menu_item);
253 /* There are two activatable widgets, a toggle button and a menu item.
255 * If a widget is activated and the state of the tool button is the same as
256 * the new state of the activated widget, then the other widget was the one
257 * that was activated by the user and updated the tool button's state.
259 * If the state of the tool button is not the same as the new state of the
260 * activated widget, then the activation was activated by the user, and the
261 * widget needs to make sure the tool button is updated before the other
262 * widget is activated. This will make sure the other widget a tool button
263 * in a state that matches its own new state.
266 menu_item_activated (GtkWidget *menu_item,
267 GtkToggleToolButton *toggle_tool_button)
269 GtkToolButton *tool_button = GTK_TOOL_BUTTON (toggle_tool_button);
270 gboolean menu_active = gtk_check_menu_item_get_active (GTK_CHECK_MENU_ITEM (menu_item));
272 if (toggle_tool_button->priv->active != menu_active)
274 toggle_tool_button->priv->active = menu_active;
276 gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (_gtk_tool_button_get_button (tool_button)),
277 toggle_tool_button->priv->active);
279 g_object_notify (G_OBJECT (toggle_tool_button), "active");
280 g_signal_emit (toggle_tool_button, toggle_signals[TOGGLED], 0);
285 button_toggled (GtkWidget *widget,
286 GtkToggleToolButton *toggle_tool_button)
288 gboolean toggle_active = GTK_TOGGLE_BUTTON (widget)->active;
290 if (toggle_tool_button->priv->active != toggle_active)
292 GtkWidget *menu_item;
294 toggle_tool_button->priv->active = toggle_active;
297 gtk_tool_item_get_proxy_menu_item (GTK_TOOL_ITEM (toggle_tool_button), MENU_ID)))
299 gtk_check_menu_item_set_active (GTK_CHECK_MENU_ITEM (menu_item),
300 toggle_tool_button->priv->active);
303 g_object_notify (G_OBJECT (toggle_tool_button), "active");
304 g_signal_emit (toggle_tool_button, toggle_signals[TOGGLED], 0);
309 gtk_toggle_tool_button_activatable_interface_init (GtkActivatableIface *iface)
311 parent_activatable_iface = g_type_interface_peek_parent (iface);
312 iface->update = gtk_toggle_tool_button_activatable_update;
313 iface->reset = gtk_toggle_tool_button_activatable_reset;
317 gtk_toggle_tool_button_activatable_update (GtkActivatable *activatable,
319 const gchar *property_name)
321 GtkToggleToolButton *button;
323 parent_activatable_iface->update (activatable, action, property_name);
325 button = GTK_TOGGLE_TOOL_BUTTON (activatable);
327 if (strcmp (property_name, "active") == 0)
329 gtk_action_block_activate (action);
330 gtk_toggle_tool_button_set_active (button, gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)));
331 gtk_action_unblock_activate (action);
336 gtk_toggle_tool_button_activatable_reset (GtkActivatable *activatable,
339 GtkToggleToolButton *button;
341 parent_activatable_iface->reset (activatable, action);
346 button = GTK_TOGGLE_TOOL_BUTTON (activatable);
348 gtk_action_block_activate (action);
349 gtk_toggle_tool_button_set_active (button, gtk_toggle_action_get_active (GTK_TOGGLE_ACTION (action)));
350 gtk_action_unblock_activate (action);
355 * gtk_toggle_tool_button_new:
357 * Returns a new #GtkToggleToolButton
359 * Return value: a newly created #GtkToggleToolButton
364 gtk_toggle_tool_button_new (void)
366 GtkToolButton *button;
368 button = g_object_new (GTK_TYPE_TOGGLE_TOOL_BUTTON,
371 return GTK_TOOL_ITEM (button);
375 * gtk_toggle_tool_button_new_from_stock:
376 * @stock_id: the name of the stock item
378 * Creates a new #GtkToggleToolButton containing the image and text from a
379 * stock item. Some stock ids have preprocessor macros like #GTK_STOCK_OK
380 * and #GTK_STOCK_APPLY.
382 * It is an error if @stock_id is not a name of a stock item.
384 * Return value: A new #GtkToggleToolButton
389 gtk_toggle_tool_button_new_from_stock (const gchar *stock_id)
391 GtkToolButton *button;
393 g_return_val_if_fail (stock_id != NULL, NULL);
395 button = g_object_new (GTK_TYPE_TOGGLE_TOOL_BUTTON,
396 "stock-id", stock_id,
399 return GTK_TOOL_ITEM (button);
403 * gtk_toggle_tool_button_set_active:
404 * @button: a #GtkToggleToolButton
405 * @is_active: whether @button should be active
407 * Sets the status of the toggle tool button. Set to %TRUE if you
408 * want the GtkToggleButton to be 'pressed in', and %FALSE to raise it.
409 * This action causes the toggled signal to be emitted.
414 gtk_toggle_tool_button_set_active (GtkToggleToolButton *button,
417 g_return_if_fail (GTK_IS_TOGGLE_TOOL_BUTTON (button));
419 is_active = is_active != FALSE;
421 if (button->priv->active != is_active)
422 gtk_button_clicked (GTK_BUTTON (_gtk_tool_button_get_button (GTK_TOOL_BUTTON (button))));
426 * gtk_toggle_tool_button_get_active:
427 * @button: a #GtkToggleToolButton
429 * Queries a #GtkToggleToolButton and returns its current state.
430 * Returns %TRUE if the toggle button is pressed in and %FALSE if it is raised.
432 * Return value: %TRUE if the toggle tool button is pressed in, %FALSE if not
437 gtk_toggle_tool_button_get_active (GtkToggleToolButton *button)
439 g_return_val_if_fail (GTK_IS_TOGGLE_TOOL_BUTTON (button), FALSE);
441 return button->priv->active;
444 #define __GTK_TOGGLE_TOOL_BUTTON_C__
445 #include "gtkaliasdef.c"